---
title: "Shellfish Allergy: Symptoms, Testing, Treatment, Avoidance"
description: "Shellfish allergy is an immune reaction to proteins in shrimp, crab, or mollusks that can turn severe fast. Know symptoms, testing, and care—no referral."
canonical: "https://www.vitalsvault.com/conditions/shellfish-allergy"
last-updated: 2026-08-22
---

# Shellfish Allergy: Symptoms, Testing, Treatment, Avoidance

> Shellfish allergy is an immune reaction to proteins in shrimp, crab, or mollusks that can turn severe fast. Know symptoms, testing, and care—no referral.

---

Canonical HTML: https://www.vitalsvault.com/conditions/shellfish-allergy
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